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Commit eedcbf15 authored by Michael Wright's avatar Michael Wright
Browse files

Add new system API for stable display size 

Fixes: 34388294
Test: manual
Change-Id: Ie380230bbd82370f507161b4cdb6f0d100b09f11
parent 87ad0f7f

api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -16561,6 +16561,7 @@ package android.hardware.display { 
    method public android.view.Display getDisplay(int);

    method public android.view.Display[] getDisplays();

    method public android.view.Display[] getDisplays(java.lang.String);

    method public android.graphics.Point getStableDisplaySize();

    method public void registerDisplayListener(android.hardware.display.DisplayManager.DisplayListener, android.os.Handler);

    method public void unregisterDisplayListener(android.hardware.display.DisplayManager.DisplayListener);

    field public static final java.lang.String DISPLAY_CATEGORY_PRESENTATION = "android.hardware.display.category.PRESENTATION";

core/java/android/hardware/display/DisplayManager.java

+16 −0
Original line number Diff line number Diff line
@@ -18,8 +18,10 @@ package android.hardware.display; 


import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.SystemApi;

import android.annotation.SystemService;

import android.content.Context;

import android.graphics.Point;

import android.media.projection.MediaProjection;

import android.os.Handler;

import android.util.SparseArray;
@@ -585,6 +587,20 @@ public final class DisplayManager { 
                name, width, height, densityDpi, surface, flags, callback, handler, uniqueId);

    }



    /**

     * Gets the stable device display size, in pixels.

     *

     * This should really only be used for things like server-side filtering of available

     * applications. Most applications don't need the level of stability guaranteed by this and

     * should instead query either the size of the display they're currently running on or the

     * size of the default display.

     * @hide

     */

    @SystemApi

    public Point getStableDisplaySize() {

        return mGlobal.getStableDisplaySize();

    }



    /**

     * Listens for changes in available display devices.

     */

core/java/android/hardware/display/DisplayManagerGlobal.java

+12 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ package android.hardware.display; 


import android.content.Context;

import android.content.res.Resources;

import android.graphics.Point;

import android.hardware.display.DisplayManager.DisplayListener;

import android.media.projection.IMediaProjection;

import android.media.projection.MediaProjection;
@@ -444,6 +445,17 @@ public final class DisplayManagerGlobal { 
        }

    }



    /**

     * Gets the stable device display size, in pixels.

     */

    public Point getStableDisplaySize() {

        try {

            return mDm.getStableDisplaySize();

        } catch (RemoteException ex) {

            throw ex.rethrowFromSystemServer();

        }

    }



    private final class DisplayManagerCallback extends IDisplayManagerCallback.Stub {

        @Override

        public void onDisplayEvent(int displayId, int event) {

core/java/android/hardware/display/IDisplayManager.aidl

+4 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package android.hardware.display;



import android.graphics.Point;

import android.hardware.display.IDisplayManagerCallback;

import android.hardware.display.IVirtualDisplayCallback;

import android.hardware.display.WifiDisplay;
@@ -77,4 +78,7 @@ interface IDisplayManager { 


    // No permissions required but must be same Uid as the creator.

    void releaseVirtualDisplay(in IVirtualDisplayCallback token);



    // Get a stable metric for the device's display size. No permissions required.

    Point getStableDisplaySize();

}

core/res/res/values/config.xml

+6 −0
Original line number Diff line number Diff line
@@ -3044,4 +3044,10 @@ 


    <!-- Allow SystemUI to show the shutdown dialog -->

    <bool name="config_showSysuiShutdown">true</bool>



    <!-- The stable device width and height in pixels. If these aren't set to a positive number

         then the device will use the width and height of the default display the first time it's

         booted.  -->

    <integer name="config_stableDeviceDisplayWidth">-1</integer>

    <integer name="config_stableDeviceDisplayHeight">-1</integer>

</resources>